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Radiant|Natural|GIA

1.01ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5546526817

Certificate GIA 5546526817

Diamond specifications and retailer prices

From £1,166 GBP
As of November 6, 2026
Save £1,990 GBP (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,157 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546526817. Listed at 23 retailers as of November 5, 2026, with prices from £1,166 to £3,157, a £1,990 spread on the same certified stone. NZ Jewellers lists it at £3,157. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.78°
Pavilion angle50.2°
OriginNatural
Grading LabGIA
CertificateGIA 5546526817
Dimensions6.92 × 5.11 × 3.57 mm
L/W Ratio1.35
Top View
6.92 mm5.11 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546526817
Side View
Table 67.0%Crown 41.78°Girdle: MED-STKPavilion 50.2°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,640 GBP|Low: £1,166 GBP|High: £2,673 GBP|Avg: £1,731 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 9£1,166 GBP
Retailer 2£1,171 GBP
Retailer 3£1,464 GBP
Retailer 8£1,545 GBP
Retailer 4£1,626 GBP
Retailer 1£1,640 GBP
Retailer 6£1,842 GBP
Retailer 5£2,050 GBP
Retailer 7£2,638 GBP

26 data points across 9 retailers

23 retailers£1,166 GBP to £3,157 GBP

A
Cheapest Retailer
-
£1,166 GBP
A
Retailer 2
-
£1,171 GBP
View
B+
Retailer 3
-
£1,324 GBP
View
B+
Retailer 4
-
£1,364 GBP
View
B+
Retailer 5
-
£1,393 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,464 GBP
View
Retailer 7
-
£1,510 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,510 GBP
View
B+
Retailer 9
-
£1,535 GBP
View
B+
Retailer 10
-
£1,545 GBP
View
B
Retailer 11
-
£1,579 GBP
View
B
Retailer 12
-
£1,613 GBP
View
B
Retailer 13
-
£1,626 GBP
View
B
Retailer 14
-
£1,640 GBP
View
B
Retailer 15
-
£1,650 GBP
View
B
Retailer 16
-
£1,655 GBP
View
B
Retailer 17
-
£1,742 GBP
View
B
Retailer 18
-
£1,842 GBP
View
Retailer 19
-
£1,862 GBP
View
Price last confirmed 33 days ago
B
Retailer 20
-
£2,050 GBP
View
B
Retailer 21
-
£2,201 GBP
View
B
Retailer 22
-
£2,638 GBP
View
Most Expensive
B
NZ Jewellers
74cd74a5-495e-4640-ba2b-ab365d79f50f · Nov 5
£3,157 GBP
$4,225 USD
View
22 more retailers have this diamond
Prices start from £1,166 GBPSave up to £1,990 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Radiant
£1,166 GBP